lkml.org 
[lkml]   [2016]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 25/26] drm/omap: panel-sharp-ls037v7dw01: Add note for incorrect data drive edge
Date
According to the datasheet of the panel, both data, DEN and sync signals
are expected to be driven on the falling edge of the DOTCLK.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
index fd33156bc34c..04fe235b7cac 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
@@ -52,6 +52,10 @@ static const struct videomode sharp_ls_vm = {
.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_NEGEDGE |
DISPLAY_FLAGS_PIXDATA_POSEDGE,
+ /*
+ * Note: According to the panel documentation:
+ * DATA needs to be driven on the FALLING edge
+ */
};

#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
--
2.9.3
\
 
 \ /
  Last update: 2016-09-17 09:58    [W:0.160 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site